[INFO] cloning repository https://github.com/sLg00/rustTest [INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/sLg00/rustTest" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsLg00%2FrustTest", kill_on_drop: false }` [INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsLg00%2FrustTest'... [INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }` [INFO] [stdout] a4a76c3a1a44592bf65fffcd79271137dedc572b [INFO] checking sLg00/rustTest against try#f47dd4da3ae8c32c9e65d307bfe640b143e674df for pr-77526 [INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2FsLg00%2FrustTest" "/workspace/builds/worker-2/source", kill_on_drop: false }` [INFO] [stderr] Cloning into '/workspace/builds/worker-2/source'... [INFO] [stderr] done. [INFO] validating manifest of git repo https://github.com/sLg00/rustTest on toolchain f47dd4da3ae8c32c9e65d307bfe640b143e674df [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "read-manifest" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] started tweaking git repo https://github.com/sLg00/rustTest [INFO] finished tweaking git repo https://github.com/sLg00/rustTest [INFO] tweaked toml for git repo https://github.com/sLg00/rustTest written to /workspace/builds/worker-2/source/Cargo.toml [INFO] crate git repo https://github.com/sLg00/rustTest already has a lockfile, it will not be regenerated [INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "fetch" "--locked" "--manifest-path" "Cargo.toml", kill_on_drop: false }` [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }` [INFO] [stdout] f870c17c75afa08378d4156cec576d0793f3b6223ad53cffac43341d249906b2 [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "f870c17c75afa08378d4156cec576d0793f3b6223ad53cffac43341d249906b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "inspect" "f870c17c75afa08378d4156cec576d0793f3b6223ad53cffac43341d249906b2", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "f870c17c75afa08378d4156cec576d0793f3b6223ad53cffac43341d249906b2", kill_on_drop: false }` [INFO] [stdout] f870c17c75afa08378d4156cec576d0793f3b6223ad53cffac43341d249906b2 [INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "rustops/crates-build-env@sha256:d92eaeed33fa75130ca1ee6c8a01d1ffb62bac859dfdfb3450e3e5d1c0146529" "/opt/rustwide/cargo-home/bin/cargo" "+f47dd4da3ae8c32c9e65d307bfe640b143e674df" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }` [INFO] [stdout] b89dfd2394354de848031447bc3c24c22996181606a63f435bb0011c688c610d [INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap. [INFO] running `Command { std: "docker" "start" "-a" "b89dfd2394354de848031447bc3c24c22996181606a63f435bb0011c688c610d", kill_on_drop: false }` [INFO] [stderr] Compiling libc v0.2.47 [INFO] [stderr] Compiling cc v1.0.28 [INFO] [stderr] Checking unicode-width v0.1.5 [INFO] [stderr] Checking strsim v0.7.0 [INFO] [stderr] Checking smallvec v0.4.5 [INFO] [stderr] Compiling backtrace v0.3.13 [INFO] [stderr] Checking textwrap v0.10.0 [INFO] [stderr] Compiling backtrace-sys v0.1.28 [INFO] [stderr] Checking atty v0.2.11 [INFO] [stderr] Checking clap v2.32.0 [INFO] [stderr] Checking error-chain v0.10.0 [INFO] [stderr] Checking ferris-says v0.1.1 [INFO] [stderr] Checking rust_test v0.1.0 (/opt/rustwide/workdir) [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/ctrlflw.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | 1...999 => "Unknown", // .. vs ... - second includes last value in range [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `red` should have an upper camel case name [INFO] [stdout] --> src/structures.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | red, [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Red` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `green` should have an upper camel case name [INFO] [stdout] --> src/structures.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | green, [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Green` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `blue` should have an upper camel case name [INFO] [stdout] --> src/structures.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | blue, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Blue` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: `...` range patterns are deprecated [INFO] [stdout] --> src/ctrlflw.rs:66:10 [INFO] [stdout] | [INFO] [stdout] 66 | 1...999 => "Unknown", // .. vs ... - second includes last value in range [INFO] [stdout] | ^^^ help: use `..=` for an inclusive range [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(ellipsis_inclusive_range_patterns)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `red` should have an upper camel case name [INFO] [stdout] --> src/structures.rs:33:9 [INFO] [stdout] | [INFO] [stdout] 33 | red, [INFO] [stdout] | ^^^ help: convert the identifier to upper camel case: `Red` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(non_camel_case_types)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `green` should have an upper camel case name [INFO] [stdout] --> src/structures.rs:34:9 [INFO] [stdout] | [INFO] [stdout] 34 | green, [INFO] [stdout] | ^^^^^ help: convert the identifier to upper camel case: `Green` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variant `blue` should have an upper camel case name [INFO] [stdout] --> src/structures.rs:35:9 [INFO] [stdout] | [INFO] [stdout] 35 | blue, [INFO] [stdout] | ^^^^ help: convert the identifier to upper camel case: `Blue` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let f = 4> 0; //true [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p3` [INFO] [stdout] --> src/sh.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let p3 = *p2; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structures.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | let mut abc: String = String::from("hello"); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structures.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | let mut a = abc.replace("ello", "bye"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/structures.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | unsafe {iof.i = 42;} [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MEANING_OF_LIFE` [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | const MEANING_OF_LIFE:u8 = 42; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `basics` [INFO] [stdout] --> src/main.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn basics(){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `f` [INFO] [stdout] --> src/main.rs:46:9 [INFO] [stdout] | [INFO] [stdout] 46 | let f = 4> 0; //true [INFO] [stdout] | ^ help: if this is intentional, prefix it with an underscore: `_f` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_variables)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unused variable: `p3` [INFO] [stdout] --> src/sh.rs:19:9 [INFO] [stdout] | [INFO] [stdout] 19 | let p3 = *p2; [INFO] [stdout] | ^^ help: if this is intentional, prefix it with an underscore: `_p3` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structures.rs:230:9 [INFO] [stdout] | [INFO] [stdout] 230 | let mut abc: String = String::from("hello"); [INFO] [stdout] | ----^^^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_mut)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: variable does not need to be mutable [INFO] [stdout] --> src/structures.rs:234:9 [INFO] [stdout] | [INFO] [stdout] 234 | let mut a = abc.replace("ello", "bye"); [INFO] [stdout] | ----^ [INFO] [stdout] | | [INFO] [stdout] | help: remove this `mut` [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: unnecessary `unsafe` block [INFO] [stdout] --> src/structures.rs:72:5 [INFO] [stdout] | [INFO] [stdout] 72 | unsafe {iof.i = 42;} [INFO] [stdout] | ^^^^^^ unnecessary `unsafe` block [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(unused_unsafe)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: constant is never used: `MEANING_OF_LIFE` [INFO] [stdout] --> src/main.rs:8:1 [INFO] [stdout] | [INFO] [stdout] 8 | const MEANING_OF_LIFE:u8 = 42; [INFO] [stdout] | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ [INFO] [stdout] | [INFO] [stdout] = note: `#[warn(dead_code)]` on by default [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: function is never used: `basics` [INFO] [stdout] --> src/main.rs:12:4 [INFO] [stdout] | [INFO] [stdout] 12 | fn basics(){ [INFO] [stdout] | ^^^^^^ [INFO] [stdout] [INFO] [stdout] [INFO] [stdout] warning: 11 warnings emitted [INFO] [stdout] [INFO] [stdout] [INFO] [stderr] Finished dev [unoptimized + debuginfo] target(s) in 12.96s [INFO] running `Command { std: "docker" "inspect" "b89dfd2394354de848031447bc3c24c22996181606a63f435bb0011c688c610d", kill_on_drop: false }` [INFO] running `Command { std: "docker" "rm" "-f" "b89dfd2394354de848031447bc3c24c22996181606a63f435bb0011c688c610d", kill_on_drop: false }` [INFO] [stdout] b89dfd2394354de848031447bc3c24c22996181606a63f435bb0011c688c610d